trees

within 25 miles

Jun 18, 2026

Near

Distance

From

Until

90 opportunities found! use fewer search filter criteria to find more opportunities

Filters

Activity Type

Age

Kids Friendly Only

21+ Only

Participant Age Range Minimum

100

Participant Age Range Maximum

100

Cost

Any Cost Free Only

Topic

Venue Type

Host Organization

Partner Organization

University of Freiburg

3Dtrees.earth

Collect data and tools for LiDAR-based forest monitoring

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentGeographyComputers & Technologycomputer visionlidarmonitoringdronesscanningremote sensingforestinventory

Ancient Tree Inventory

To build a living database of ancient trees

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsBiologytrees, united kingdom

2B Technologies, Inc.

AQTreks (AirQualityTreks)

Monitor air pollution levels and map air pollution around the US

Multiple locations, including yours!

Ongoing

Citizen ScienceNature & OutdoorsGeographyEducationCrowd FundingTransportationEcology & EnvironmentComputers & TechnologyClimate & WeatherChemistryOcean Water Marineec2020iphonehikingair qualityinvestigationenvironmentparticulate matterair pollutionsummerair quality indexweathercommunity-based monitoringcitizen sciencestemautumncarbon dioxidescienceclimatesmartphone applicationusaappwinterair pollution monitoringexperimentglobal warmingmobile applicationnaturecarbon monoxideequityweather dataandroidbicyclingoutdoorsairclimate changedataenvironmental justiceclimate monitoringdatabasegirl scoutsspring

NC State University | ecoipm.org | YourWildLife.org

A Tree's Life

To learn how climate & urbanization affect tree growth & health

Multiple locations, including yours!

Ongoing

Citizen ScienceBiologyEducationClimate & WeatherNature & OutdoorsEcology & Environmentcarbon sequestrationurban ecologytreesclimate change

Cornell University/New York Department of Environmental Conservation

AVID (Assessing Vegetation Impacts from Deer)

Monitor the effects of deer browsing on woodland trees and plants

Multiple locations, including yours!

Ongoing through November 30, 2030 at 8:35 PM

Citizen ScienceAnimalsEcology & EnvironmentNature & Outdoorswildflowersforest healthforestwildlifewoodlandsseedlingstreesecologydeer

Airigami

Balloon Breakdown

Help compost 40,000 latex balloons

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & Environmentcompostballoonsballooncomposting

Northern Rivers Fire and Biodiversity Consortium Inc.

Bell Miner Associated Dieback Best Practice Project

Evaluate the removal of mid-storey density in disturbed forests using prescribed fire, weed control and bush regeneration as a method to restore BMAD affected forest.

Anywhere

Ongoing

Citizen ScienceEducationEcology & EnvironmentBirdstree health across the northern rivers region of new south waleslocations of native bell miner coloniesbell miner associated dieback (bmad) biodiversitydatagondwana world heritagelandholders birdsbird monitoringaustralia treesbmad affected forest

Zooniverse

Buzzy Bee - African Canopy Pollinators

Study pollination of Central African timber species

Anywhere

Ongoing

Citizen ScienceInsects & PollinatorsEcology & EnvironmentBiologyfloral traitssize and composition of pollinators communitiescirculating entomofaunatropical rainforesttimber speciestree speciespollination flower ecology tree conservation interaction botany insect entomologypollen dispersal distances

Casey Trees

To restore, enhance and protect the trees of Washington DC

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentGeology & Earth ScienceNature & OutdoorsBiologyplantingwashington d.c.canopytree plantingtrees

Caterpillars Count!

Monitor the seasonality and abundance of foliage arthropods

Multiple locations, including yours!

Ongoing

Citizen ScienceGeographyAnimalsNature & OutdoorsBiologyEcology & EnvironmentEducationInsects & Pollinatorscaterpillarsbiodiversityinsectsearth2025bird foodphenologycsm2026csm-featuredarthropodscsm2025

12 3 4 5…

Share Your Results

Share the list by copying the link below

Copy Link